Researchers at the Wearable Computer Lab at the University of South Australia have been performing research into outdoor augmented reality (AR) systems for the last seven years. During this time the technology has vastly improved, resulting in more accurate systems that have better quality output. While tracking and registration are important issues in the area of AR, it's also important that we have suitable user interfaces that let people effectively view information and control the computer to get the desired output. Therefore, the Tinmith project explores the problem of interacting with a mobile AR system outdoors and the types of possible applications.